| Milestone number | Milestone name | Related work package(s) | Due date (in month) | Means of verification |
| M1 | Project kick-off meeting held | all | M3 | Meeting held |
| M2 | Data Committee established | 5 | M3 | First meeting held |
| M3 | Stakeholder group recruited | 3 | M6 | First meeting of the full group held |
| M4 | New instrumentation installed in Belgrade and data flow established | 1,2 | M8 | First data available |
| M5 | Training for field campaigns completed | 1 | M10 | Event held |
| M6 | First field campaign started | 2 | M12 | Progress report M12 |
| M7 | Chemical and biological characterization of collected samples started | 2 | M18 | Data available |
| M8 | Data archive compliant with data management plan established | 2,5 | M18 | Data archive available for data inputs |
| M9 | At least two ICLs held | 1,2 | M24 | Results available |
| M10 | Training for PMF completed | 1 | M24 | One scientist trained |
| M11 | Chemical and biological characterization of samples completed | 2, 3 | M26 | Data available for analysis |
